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1972 Honda SL350K2 Oil-Service Hardware

Two different oil-service purchases are available for this 1972 Honda SL350K2 selection: a custom magnetic drain plug and an angled oil-filter rotor washer. Identify the component being serviced before comparing thread, clearance, sealing or washer details for your order.

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Honda CB500 CB450 joker machine magnetic oil drain plug 90013-312-000

Honda CB Joker Machine Magnetic Oil Drain Plug ~ Replaces 90013-312-000

$64.95 USD
12-0108
Catch engine debris between oil changes with this Joker Machine Magnetic Oil Drain Plug with O-ring, replacing OEM #90013-312-000. High-quality 6061 billet aluminum body...
Honda CB500 CB450 CB360 special oil filter rotor washer 90481-292-000

Honda CB Special Oil Filter Rotor Washer ~ Replaces 90481-292-000

$9.46 USD
29-7034
Replace your oil filter rotor washer with this Special Angled Oil Filter Rotor Washer (16mm), replacing OEM #90481-292-000.Key Features• Special angled oil filter rotor...
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1972 Honda SL350K2 · Oil-Service Hardware Buying guide

Separate sump-plug fit from rotor hardware

The magnetic plug has published product dimensions and includes an O-ring. The rotor washer is a separate 16 mm angled component. Each needs confirmation against its own mounting location and repair requirements.

Parts to consider

Honda CB Joker Machine Magnetic Oil Drain Plug ~ Replaces 90013-312-000 Joker Machine magnetic drain plugBillet aluminum magnetic plug with an O-ring and M33.7 × 1.5 mm thread.View part Honda CB Special Oil Filter Rotor Washer ~ Replaces 90481-292-000 Angled oil-filter rotor washer16 mm angled washer, identified by replacement reference 90481-292-000.View part

Check the custom plug’s physical envelope

The Joker Machine plug combines an aluminum body, magnet and O-ring. Its published dimensions are M33.7 × 1.5 mm thread, 45 mm outside diameter and 19 mm clearance off the case. Compare those product measurements with your fitted engine and any nearby guard before committing to this custom choice.

Treat the rotor washer as a specific component

The separate rotor washer is angled and identified by replacement reference 90481-292-000. Keep its shape and location in the parts check rather than selecting a generic washer on diameter alone. Consult the correct service instructions for its orientation and fastening requirements during the repair.

Buying questions

Is a new sealing ring supplied with the magnetic plug?

An O-ring is included with the offered plug. Check its condition and the engine’s sealing surface during the repair; the product dimensions still need to match the fitted drain opening.

Will a flat 16 mm washer substitute for the rotor washer?

The offered component is specifically described as angled. Use the required shape and replacement reference to establish suitability; the shared diameter alone is insufficient to select a substitute.

How should I check clearance around an existing sump guard?

Compare the plug’s stated 45 mm outside diameter and 19 mm projection from the case with the space available. Check access for the stated 19 mm socket as well before choosing the custom plug.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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